<script setup>
import { getCategoryFilterAPI } from '@/apis/category'
import { onMounted , ref } from 'vue'
import { useRoute } from 'vue-router'
import { getSubCategoryAPI } from '@/apis/category'
import  GoodItem from '@/views/home/components/GoodItem.vue'

const route = useRoute()
const categoryFilter = ref({})

//获取面包屑导航数据
const getCategoryFilter = async ()=>{
  const res = await getCategoryFilterAPI(route.params.id)
  categoryFilter.value = res.result
}
onMounted(()=>{
  getCategoryFilter()
})

//获取商品列表数据
const goodList = ref([])
const baseListData = ref({
  category: route.params.id, // 商品分类ID（必选，确定当前分类）
  page: 1, // 当前页码（分页用）
  pageSize: 20, // 每页显示20条商品
  sortField: 'publicTime' // 排序字段（核心：按哪个字段排序）
})
const getSubCategory = async()=>{
  const res = await getSubCategoryAPI(baseListData.value)
  console.log(res)
  goodList.value = res.result.items
}
const tabChange = ()=>{
  console.log('tab切换了', baseListData.value.sortField)
  baseListData.value.page = 1//重置页数
  getSubCategory()
}
onMounted(()=>{
  getSubCategory()
})
const disabled = ref(false)
const load = async()=>{
  baseListData.value.page++
  const res = await getSubCategoryAPI(baseListData.value)
  goodList.value = [...goodList.value, ...res.result.items]
  //加载完毕，停止监听
  if(res.result.items.length === 0){
    disabled.value = true
  }
}
</script>
<template>
  <div class="container">
    <!-- 面包屑 -->
     <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{path: '/'}">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{path:`/category/${categoryFilter.parentId}`}">{{ categoryFilter.parentName }}</el-breadcrumb-item>
        <el-breadcrumb-item>
          {{categoryFilter.name}}
        </el-breadcrumb-item>
      </el-breadcrumb>
     </div>
     <div class="sub-container" >
      <el-tabs v-model="baseListData.sortField" @tab-change = "tabChange">
        <el-tab-pane label="最新商品" name="publishTime"> </el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"> </el-tab-pane>
        <el-tab-pane label="评价最多" name="evaluateNum"> </el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled" >
        <GoodItem :goods="goods" v-for="goods in goodList" :key="goods.id"/>
      </div>
     </div>
  </div>
</template>

<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>
